add note on pr 933 to changelog

* return empty set if there are no active buses
* fix typo

* Improve performance of calc_connected_components (#914)

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Co-authored-by: mtanneau3 <mtanneau3@gatech.edu>

* Add in-place conversion to basic data format (#915)

* Add in-place conversion to basic data format

* Add unit test for in-place make_basic_network

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Co-authored-by: mtanneau3 <mtanneau3@gatech.edu>

* No deepcopy when renumbering components (#916)

* No deepcopy when renumbering components

* In-place _renumber_components and unit tests

* Fix typo

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Co-authored-by: mtanneau3 <mtanneau3@gatech.edu>
Co-authored-by: Carleton Coffrin <carleton@coffrin.com>

* add notes to changelog and prep for release

* Update psse parser for 3winding transformers (#917)

* fix psse parser 3 winding tranformers
* update readme

* add note to changelog and readme

* fix quote counting check in psse parser

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Co-authored-by: Mathieu Tanneau <9593025+mtanneau@users.noreply.github.com>
Co-authored-by: mtanneau3 <mtanneau3@gatech.edu>
Co-authored-by: Rahmat Heidari <heidari.rahmat@gmail.com>

* add 1e-4 tolerance on dc oswpf node-breaker test

* Fix doc string of DCPPowerModel
* Update src/core/types.jl

 closes #907

* updates for new nl interface
* fix for ci on julia v1.6 on windows

* fix tests for ipopt jll update
* add fix ci for windows

* add z i load conversion (#792)
* update case5_pwlc to better test constant power functions
* updates for revised test case and sdp solver variation
* Objective Function Building Rewrite (#836)
* tests passing, closes #778, closes #829
* add test for mixed mode cost data
* note to change log
* drop support for jump v0.22, v0.23, update to scs v2
* drop old json versions
* Update to use two sided constraints (#838)
* closes #819
* drop support for run functions, closes #878
* drop support for multiconductor, closes #872
* update modeling of current limit constraints, closes #625
* remove conductors logic from data processing functions
* prep for release v0.20.0

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Co-authored-by: Jose Daniel Lara <jdlara@berkeley.edu>

* allow scs v2
* update tests for scs v2.0

* Create doc-cleanup.yml
* Update make.jl
* Update Project.toml

* add basic support for pst in dc opf models, closes #543
* drop unstable pf test in windows and julia v1.9

Some questions remain but merging to restore CI passing.

* Reduce tolerance for change in Julia v1.9
* Update pf.jl